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Electric turbos promise big performance and efficiency gains in the near future

An electric turbo system boosts efficiency between 15 and 20 percent, according to Audi.
Turbochargers, like acoustic guitars, use moving air to create magic. And electric turbochargers, like electric guitars, provide the ability to amp up that magic to amazing new levels.

Audi to lap Hockenheim in driverless RS7

An automaker like Audi will always have a number of different research and development projects going at the same time, and some of them might take on very different approaches. At one end, you'll have its racing programs, and at what you'd assume would be the other, self-driving prototypes. But Ingolstadt is preparing to bridge that gap by running an autonomous prototype at racing speed around the famed Hockenheimring.
Set to take place on Sunday, October 19, during the DTM season finale at Hockenheim, the driverless RS7 will motor at speeds up to 150 miles per hour, right up "to its physical limits with millimeter precision."
Audi anticipates that "the world's sportiest piloted driving car" will run a lap time of just over two minutes, at which the RS7 would stand not only to be the fastest driverless car ever to lap the circuit, but also potentially the fastest four-door - if it can beat the 2:02.71 lap time set by a BMW M3 sedan in 2007.

Next Audi R8 seen and heard in this spy video

A few weeks ago, our clandestine spy photographers brought home the first good look at the next-generation Audi R8. We were all pretty stoked.
Seemingly following the game plan of the recently shown Audi TT, the next R8 looks to be an evolutionary update on a supercar form that pretty much everyone loves.
Today, the same shooters that snapped the car in stills have delivered some pretty compelling moving pictures of the thing. Captured both in some less-than-inspiring around-town traffic situations and out on the Nürburgring, the video delivers our first taste of the new R8's auditory splendor. Well... a taste of it, anyway.